feat: add droneci runner

- add runner role

site/roles/manifests/infra/droneci/runner.pp

@@ -0,0 +1,10 @@
+# a role to deploy droneci
+class roles::infra::droneci::runner {
+  if $facts['firstrun'] {
+    include profiles::defaults
+    include profiles::firstrun::init
+  }else{
+    include profiles::defaults
+    include profiles::base
+  }
+}